070.610-IOM (JUL 21)
Page 76
RWF II Rotary Screw Compressor Units
Index
suction check valve, 9,29
suction check valve bypass, 24
suction check valve bypass line, 12
suction check valve
power assist kit, 31
suction ange, 23
suction isolation valve, 9
suction port, 23
suction pressure, 12
suction strainer, 23,33
suction trap, 34
superheat, 33
superheating, 23
super speed, 4
surge suppression, 21
system head pressure, 23
T
TCV, 26
tempera ture control valve, 26
temperature sensor, 26
temperature sensor
replacement,
DIN connector plug,
thermal well,
transmitter unit,
troubleshooting,
digital board #1,
thermosyphon, 9,23
thermosyphon oil cooling, 9,10
thermosyphon oil cooling
condenser inlet, 9
condensing pressure, 9
condensing temperature, 10
operating level, 8
plate and shell oil cooler, 9
receiver, 10
thermostatically controlled mixing
valve, 10
thermosyphon oil cooling, 9,10
two-pass oil coolers, 10
vapor, 9
threaded metallic, 19
threaded PVC-coated metallic, 19
throttling valve, 24
thrust balance piston, 31
torque analysis, 14
troubleshooting, 47
excessive noise and vibration, 47
gradual oil loss, 48
rapid oil loss, 48
shaft seal leakage, 48
slide stop
will not function either direction, 48
will not move, 47
slide valve
will load but not unload, 48
will not load or unload, 48
will not move, 47
will unload but not load, 48
troubleshooting the demand pump
system, 47
troubleshooting the hydraulic system,
48
troubleshooting the oil separation sys-
tem, 48
troubleshooting the rwf ii compressor,
47
tunnel, 6
turbine drive, 5
two-pass oil coolers, 10
U
uninterrupted power supply, 21
unit data plate, 3
unitized ex disc, 6
unloader spring, 26
unshielded, 19
UPS, 14,21
V
A4ALE pressure regulating valve, 31
valve hv-2, 29
vapor, 9
vapor line, 12
variable frequency drives, 19
VFD, 32
VFD applications, 18
VFD output, 18
Vi, 25
voltage isolation, 21
volume ratio, 25
volume ratio control, 23
volume ratio control transmitter - slide
stop,
replacement,
linear transmitter,
troubleshooting,
slide stop linear transmitter,
slide valve transmitter,
W
water-cooled, 23
water-cooled oil cooler, 11
Water-Cooled Oil Cooling, 11
water treatment, 11
water vapor, 33
wye-delta, 14,15
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